首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Disintegrating head for continuous miner
摘要
申请公布号
US2932496(A)
申请公布日期
1960.04.12
申请号
US19540419657
申请日期
1954.03.30
申请人
JOY MANUFACTURING COMPANY
发明人
BARRETT ARTHUR LEE
分类号
E21C27/12
主分类号
E21C27/12
代理机构
代理人
主权项
地址
您可能感兴趣的专利
DATA TRANSMISSION CONTROL SYSTEM
INFORMATION INPUT DEVICE
BOOSTER CIRCUIT
IMAGE BLUR PREVENTIVE SYSTEM
INTAGLIO PLATE FOR INSPECTION OF COLOR FILTER AND INSPECTION METHOD
CEILING TYPE AUTOMATIC HEAT RAY-SENSITIVE SWITCH
INSPECTING METHOD FOR MONITORING CHARACTERISTIC OF REFLECTING PATTERN
IMAGE PROCESSOR
STORAGE EQUIPMENT
WAFER FIXING DEVICE
CONTACT UNIT FOR HANDLER
SEMICONDUCTOR DICING METHOD
APPARATUS AND METHOD FOR RECEPTION IN SIGN DIVIDED MULTIPLE ACCESS SYSTEM
METHOD AND DEVICE FOR MACHINE TRANSLATION
RECURSIVE REFLECTING ARTICLE FOR CUBE CORNER
DEVICE FOR PROCESSING INTEGRATED POLARIZED LIGHT
GRAPH DISPLAY METHOD
DEVELOPER CONCENTRATION DETECTOR
DEVICE FOR FORMING LINEAR POLARIZATION ORTHOGONALLY INTERSECTING TWO-FREQUENCY
LIGHTING CONTROL DEVICE FOR DISCHARGE LAMP